Included in the 1860 Washington Territorial Census (Idaho County, ID is located with the Spokane Co., WA enumeration).
Parts of southern Idaho was included in the 1860 Cache County, Utah Territorial Census.

Parts of southern Idaho were included in the 1870 Cache County, Utah Territorial Census. Other areas of Idaho are located in the 1870 Idaho Territorial Census and are listed under the appropriate Idaho counties.

1890

Federal Census Records were Destroyed
as were the Special Schedules for Union Veterans and Widows.